Israeli firefighters on Friday reined in a blaze in the country’s third-largest city of Haifa that had forced tens of thousands of people to flee their homes, but continued to battle more than a dozen other fires around the country.

Some 60,000 have yet to return to their homes as police forces and firefighting units were still heavily deployed in the Haifa area for fear that the fire could be reignited due to the rare dry, windy weather.

Though no serious injuries were caused, several dozen people were hospitalized for smoke inhalation. Hundreds of homes were damaged and in a rare move, Israel on Thursday called up military reservists to join overstretched police and firefighters and made use of an international fleet of firefighting aircraft sent by several countries.

Police spokesman Micky Rosenfeld said a small village in the forests near Jerusalem was evacuated overnight as several homes there caught fire.

Overall, he said 12 people have been arrested across Israel on suspicion of arson. The country’s leaders have raised the possibility that Arab assailants had intentionally set the blazes.

Israel has been on edge during more than a year of Palestinian attacks – mostly stabbings – that have tapered off but not completely halted in recent months.

Prime Minister Benjamin Netanyahu has blamed Palestinian incitement for fueling those attacks. Israel’s police chief Roni Alsheich told reporters on Thursday that early indications on the fires pointed toward a series of “politically motivated” arson attacks.

The fires began three days ago at the Neve Shalom community near Jerusalem where Israelis and Arabs live together. Later, blazes erupted in the northern Israeli area of Zichron Yaakov and elsewhere near Jerusalem before the largest ones spread across Haifa.

The rash of fires is the worst since 2010, when Israel suffered the single deadliest wildfire in its history. That blaze burned out of control for four days, killed 42 people and was extinguished only after firefighting aircraft arrived from as far away as the United States.

Israel has strengthened its firefighting capabilities since then, buying special planes that can drop large quantities of water on affected areas.

Several countries, including Russia, France, Cyprus, Turkey, Croatia, Greece and Italy were also sending assistance to battle this week’s blazes. In a rare gesture, the Palestinians also offered to send firefighting teams to help combat the flames.